Tannoy Definition DC6i is a passive bookshelves speaker .
- Reference level is normalised to -0.0dB computed over the frequency range [504.0Hz, 10000.0Hz].
- Frequency deviation is 5.5dB over the same frequency range.
- Horizontal directivity is (-118.0°, 118.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-126.0°, 126.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.